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Meteors

Young Impact Crater Uncovered in Yilan, China

The 50,000-year-old crater is relatively young, and only the second discovered in China. Despite China’s large land area, only one impact crater—the relatively small Xiuyan…

Quadrantid Meteor Shower

Fast Facts Origin 2003 EH1 (an asteroid or a possible “rock comet”) Radiant Constellation Bootes; originally Quadrans Muralis (now a defunct constellation) Active December 28…